SO45 3 postcode sector in the SO45 district

SO45 3 is a sector of the SO45 district: every postcode that starts SO45 3. It has 153 postcodes in use, 6 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the SO45 3 sector, and which are new since 2020

Map of every postcode in the SO45 3 sector, by new since 2020 Of the 153 postcodes in the SO45 3 sector that ONS places, 1 are new since 2020 and 152 were in use before 2020. Places named: Hythe and Dibden Purlieu. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A326 SO45 3AB: before 2020SO45 3AE: before 2020SO45 3BL: before 2020SO45 3BP: before 2020SO45 3BU: before 2020SO45 3BW: before 2020SO45 3DA: before 2020SO45 3DJ: before 2020SO45 3FH: before 2020SO45 3FX: before 2020SO45 3FY: before 2020SO45 3FZ: before 2020SO45 3GA: before 2020SO45 3GB: before 2020SO45 3GD: before 2020SO45 3GE: before 2020SO45 3GF: before 2020SO45 3GG: before 2020SO45 3GH: before 2020SO45 3GJ: before 2020SO45 3GL: before 2020SO45 3GP: before 2020SO45 3GQ: before 2020SO45 3GR: before 2020SO45 3GS: before 2020SO45 3GT: before 2020SO45 3GU: before 2020SO45 3GW: before 2020SO45 3GX: before 2020SO45 3GY: before 2020SO45 3GZ: before 2020SO45 3HA: before 2020SO45 3HB: before 2020SO45 3HD: before 2020SO45 3HE: before 2020SO45 3HF: before 2020SO45 3HG: before 2020SO45 3HH: before 2020SO45 3HJ: before 2020SO45 3HL: before 2020SO45 3HN: before 2020SO45 3HP: before 2020SO45 3HQ: before 2020SO45 3HR: before 2020SO45 3HS: before 2020SO45 3HT: before 2020SO45 3HU: before 2020SO45 3HW: before 2020SO45 3HX: before 2020SO45 3HY: before 2020SO45 3HZ: before 2020SO45 3JA: before 2020SO45 3JB: before 2020SO45 3JD: before 2020SO45 3JR: before 2020SO45 3JS: before 2020SO45 3JT: before 2020SO45 3JU: before 2020SO45 3JW: before 2020SO45 3JX: before 2020SO45 3JY: before 2020SO45 3LA: before 2020SO45 3LB: before 2020SO45 3LD: before 2020SO45 3LE: before 2020SO45 3LF: before 2020SO45 3LG: before 2020SO45 3LH: before 2020SO45 3LJ: before 2020SO45 3LL: before 2020SO45 3LN: before 2020SO45 3LP: before 2020SO45 3LQ: before 2020SO45 3LS: before 2020SO45 3NA: before 2020SO45 3NB: before 2020SO45 3ND: before 2020SO45 3NE: before 2020SO45 3NF: before 2020SO45 3NG: before 2020SO45 3NH: before 2020SO45 3NJ: before 2020SO45 3NL: before 2020SO45 3NN: before 2020SO45 3NP: before 2020SO45 3NQ: before 2020SO45 3NR: before 2020SO45 3NS: before 2020SO45 3NT: before 2020SO45 3NU: before 2020SO45 3NX: before 2020SO45 3NY: before 2020SO45 3NZ: before 2020SO45 3PA: before 2020SO45 3PB: before 2020SO45 3PE: before 2020SO45 3PF: before 2020SO45 3PG: before 2020SO45 3PH: before 2020SO45 3PJ: before 2020SO45 3PL: before 2020SO45 3PN: before 2020SO45 3PP: before 2020SO45 3PQ: before 2020SO45 3PR: before 2020SO45 3PS: before 2020SO45 3PT: before 2020SO45 3PU: before 2020SO45 3PW: before 2020SO45 3PX: before 2020SO45 3PY: before 2020SO45 3PZ: before 2020SO45 3QA: before 2020SO45 3QB: before 2020SO45 3QD: before 2020SO45 3QE: before 2020SO45 3QF: before 2020SO45 3QG: before 2020SO45 3QH: before 2020SO45 3QJ: before 2020SO45 3QL: before 2020SO45 3QN: before 2020SO45 3QP: before 2020SO45 3QQ: before 2020SO45 3QR: before 2020SO45 3QS: before 2020SO45 3QT: before 2020SO45 3QU: before 2020SO45 3QW: before 2020SO45 3QX: before 2020SO45 3QY: before 2020SO45 3QZ: before 2020SO45 3RA: before 2020SO45 3RB: before 2020SO45 3RD: before 2020SO45 3RE: before 2020SO45 3RF: before 2020SO45 3RG: before 2020SO45 3RH: before 2020SO45 3RJ: before 2020SO45 3RL: before 2020SO45 3RN: before 2020SO45 3RP: before 2020SO45 3RQ: before 2020SO45 3RR: before 2020SO45 3RS: before 2020SO45 3RT: before 2020SO45 3SA: before 2020SO45 3SB: before 2020SO45 3YH: before 2020SO45 3ZG: before 2020SO45 3AD: new since 2020 Hythe and Dibden Purlieu Map of every postcode in the SO45 3 sector, by new since 2020 Of the 153 postcodes in the SO45 3 sector that ONS places, 1 are new since 2020 and 152 were in use before 2020. Places named: Hythe and Dibden Purlieu. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A326 Hythe and Dibden Purlieu
  • New since 2020: 1
  • In use before 2020: 152

Of the 153 postcodes in the SO45 3 sector that ONS places, 1 are new since 2020 and 152 were in use before 2020.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. New since 2020 means it came into use in January 2020 or later. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The newest postcode

What do homes sell for in SO45 3?

Homes in SO45 3 sold for a typical £315,000 in the 12 months to August 2026, across 35 sales, up 7.3% on the 12 months before, HM Land Registry's figures show.

£315,000 typical price, the 12 months to August 2026
£293,500 12 months to August 2025
▲ up 7.3% on the 12 months before
  • Detached £395,000 10 sales
  • Semi-detached £316,000 16 sales
  • Terraced £265,000 8 sales
  • Flat or maisonette 1 sale, too few to price

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start SO45 3. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in SO45 3

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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